|
关注：1
2013-05-23 12:21
求翻译：this approach has recently been emphasized in the literature [32,56,60,76] . Several studies provide excellent overviews of prior research into this field [29,34,77– 79]. Our model focuses on R&D projects, i.e., a firm first makes investments I for several periods是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
this approach has recently been emphasized in the literature [32,56,60,76] . Several studies provide excellent overviews of prior research into this field [29,34,77– 79]. Our model focuses on R&D projects, i.e., a firm first makes investments I for several periods
问题补充： |
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
